diff options
Diffstat (limited to 'llvm/test/CodeGen/call-graph-section.ll')
-rw-r--r-- | llvm/test/CodeGen/call-graph-section.ll | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/call-graph-section.ll b/llvm/test/CodeGen/call-graph-section.ll new file mode 100644 index 0000000..eb10161 --- /dev/null +++ b/llvm/test/CodeGen/call-graph-section.ll @@ -0,0 +1,73 @@ +; Tests that we store the type identifiers in .callgraph section of the binary. + +; RUN: llc --call-graph-section -filetype=obj -o - < %s | \ +; RUN: llvm-readelf -x .callgraph - | FileCheck %s + +target triple = "x86_64-unknown-linux-gnu" + +define dso_local void @foo() #0 !type !4 { +entry: + ret void +} + +define dso_local i32 @bar(i8 signext %a) #0 !type !5 { +entry: + %a.addr = alloca i8, align 1 + store i8 %a, i8* %a.addr, align 1 + ret i32 0 +} + +define dso_local i32* @baz(i8* %a) #0 !type !6 { +entry: + %a.addr = alloca i8*, align 8 + store i8* %a, i8** %a.addr, align 8 + ret i32* null +} + +define dso_local i32 @main() #0 !type !7 { +entry: + %retval = alloca i32, align 4 + %fp_foo = alloca void (...)*, align 8 + %a = alloca i8, align 1 + %fp_bar = alloca i32 (i8)*, align 8 + %fp_baz = alloca i32* (i8*)*, align 8 + store i32 0, i32* %retval, align 4 + store void (...)* bitcast (void ()* @foo to void (...)*), void (...)** %fp_foo, align 8 + %0 = load void (...)*, void (...)** %fp_foo, align 8 + call void (...) %0() [ "type"(metadata !"_ZTSFvE.generalized") ] + store i32 (i8)* @bar, i32 (i8)** %fp_bar, align 8 + %1 = load i32 (i8)*, i32 (i8)** %fp_bar, align 8 + %2 = load i8, i8* %a, align 1 + %call = call i32 %1(i8 signext %2) [ "type"(metadata !"_ZTSFicE.generalized") ] + store i32* (i8*)* @baz, i32* (i8*)** %fp_baz, align 8 + %3 = load i32* (i8*)*, i32* (i8*)** %fp_baz, align 8 + %call1 = call i32* %3(i8* %a) [ "type"(metadata !"_ZTSFPvS_E.generalized") ] + call void @foo() [ "type"(metadata !"_ZTSFvE.generalized") ] + %4 = load i8, i8* %a, align 1 + %call2 = call i32 @bar(i8 signext %4) [ "type"(metadata !"_ZTSFicE.generalized") ] + %call3 = call i32* @baz(i8* %a) [ "type"(metadata !"_ZTSFPvS_E.generalized") ] + ret i32 0 +} + +attributes #0 = { noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } + +!llvm.module.flags = !{!0, !1, !2} +!llvm.ident = !{!3} + +; Check that the numeric type id (md5 hash) for the below type ids are emitted +; to the callgraph section. + +; CHECK: Hex dump of section '.callgraph': + +!0 = !{i32 1, !"wchar_size", i32 4} +!1 = !{i32 7, !"uwtable", i32 1} +!2 = !{i32 7, !"frame-pointer", i32 2} +!3 = !{!"clang version 13.0.0 (git@github.com:llvm/llvm-project.git 6d35f403b91c2f2c604e23763f699d580370ca96)"} +; CHECK-DAG: 2444f731 f5eecb3e +!4 = !{i64 0, !"_ZTSFvE.generalized"} +; CHECK-DAG: 5486bc59 814b8e30 +!5 = !{i64 0, !"_ZTSFicE.generalized"} +; CHECK-DAG: 7ade6814 f897fd77 +!6 = !{i64 0, !"_ZTSFPvS_E.generalized"} +; CHECK-DAG: caaf769a 600968fa +!7 = !{i64 0, !"_ZTSFiE.generalized"} |